john deere 850

1978 - 1989

50 Compact Series

Compact Utility tractor

Yanmar built

50 Compact Series

Compact Utility tractor

Yanmar built

Distributor

John Deere

Manufacturer

Yanmar

Compact Utility tractor

Built in Japan

Original price

$7,670 (1983 )

$11,000 (1989 )

Yanmar 1.3L 3-cyl diesel

8-speed gear

Engine (gross)

25 hp 18.6 kW

Drawbar (claimed)

19 hp 14.2 kW

PTO (claimed)

22 hp 16.4 kW

Drawbar (tested)

17.77 hp 13.3 kW

PTO (tested)

22.27 hp 16.6 kW

Two- or four-wheel drive

Steering

manual

 

power OptOptional

Differential mechanical expanding shoe brakes

Two-post ROPS.

Fuel

8.5 gal 32.2 L

Hydraulic system

4.75 gal 18.0 L

 

5.25 gal*After 1984 19.9 L

Type

open center

Capacity

4.75 gal 18.0 L

 

5.25 gal*After 1984 19.9 L

Pressure

2030 psi 140.0 bar

Rear Type

I

Control

position control

Rear PTO

transmission *Early models, through the 1983 model year.

 

live two-stage clutch *Introduced in 1984, tractor serial number 16001.

Rear PTO Type

540 (1.375)

Engine RPM

540@2258

Wheelbase

64 inches 162 cm

Weight

2400 lbs 1088 kg

Front tire

5.00-15

Rear tire

9.5-24

72" mid-mount mower deck

snowblower

blade

front-end loader

backhoe

Serial number plate on the rear of the John Deere 850, below the PTO shaft.

1978

1000

1979

3859

1980

7389

1981

11338

1982

12481

1983

14183

1984

16006

1985

18001

1986

22001

1987

25501

1988

28337

Final

30852

FAQ: How to read a serial number table.

Ground

negative

Charging system

alternator

Charging amps

25

Battery CCA

570

Battery volts

12

Battery Group

BCI 30H

Introducing the John Deere lawn and garden line for 1979

Consumer Products Price List published in 1983, by John Deere

Grounds Care Equipment Purchasing Guide published in 1983, by John Deere

Compact Utility/Utility Tractors Product Information Handbook published in 1983, by John Deere

Operator's Manual 850, 950 and 1050 Tractors (OMRW19870) published in 1984

John Deere 850 and 950 tractors published in 1978

Operator's Manual 850 and 950 Tractors (OMR68993) published in 1978

John Deere tractors 22 to 50 HP published in 1980

Compact Utility Diesel Tractors 14.5 to 40 PTO hp published in 1982, by John Deere

Diesel Tractors 14.5 to 60 PTO hp published in 1984, by John Deere